CN208305700U - Injection mold with high exhaust performance - Google Patents

Injection mold with high exhaust performance Download PDF

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Publication number
CN208305700U
CN208305700U CN201820311305.8U CN201820311305U CN208305700U CN 208305700 U CN208305700 U CN 208305700U CN 201820311305 U CN201820311305 U CN 201820311305U CN 208305700 U CN208305700 U CN 208305700U
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CN
China
Prior art keywords
gas
exhaust
outlet
dynamic model
mold cavity
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Expired - Fee Related
Application number
CN201820311305.8U
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Chinese (zh)
Inventor
刘晓飞
覃世拥
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Guangxi Flying Plastic Beijing Great Automotive Components Co Ltd
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Guangxi Flying Plastic Beijing Great Automotive Components Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Guangxi Flying Plastic Beijing Great Automotive Components Co Ltd filed Critical Guangxi Flying Plastic Beijing Great Automotive Components Co Ltd
Priority to CN201820311305.8U priority Critical patent/CN208305700U/en
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Publication of CN208305700U publication Critical patent/CN208305700U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of injection molds with high exhaust performance, it include: fixed half and moving half, the cover half and the dynamic model are oppositely arranged vertically, the side of the relatively described dynamic model of the cover half is equipped with type core, the side of the relatively described cover half of the dynamic model is equipped with cavity plate, and the type core and the cavity plate cooperatively form mold cavity;Exhaust system comprising the venting plug of the multiple gas vents, connection corresponding with one end of each gas vent that are horizontally set in the dynamic model, with the exhaust passage of the corresponding connection of each venting plug, with the branched discharge pipe of the corresponding connection of each exhaust passage, collect with multiple branched discharge pipes after the total air escape pipe being connected to, the vacuum pump that is connect with total air escape pipe.The utility model can quickly extract the gas in mold cavity out, increase substantially the exhaust performance of injection mold, to guarantee the quality of product.

Description

Injection mold with high exhaust performance
Technical field
The utility model relates to a kind of injection molds.More specifically, the utility model relates to one kind to have high venting quality The injection mold of energy, belongs to technical field of mold.
Background technique
Injection mold is a kind of tool for producing plasthetics, when producing plastic cement products using injection mold, concrete technology Process are as follows: the plastics of heated thawing, which are first injected mold cavity by injection molding machine high pressure, can be obtained forming after cooling and solidifying Product.If being easy to cause mold filling discontented with the presence of excessive gas in mold cavity, and when can not be completely exhausted out, simultaneously because note Quickly poly- pressure effect in mold cavity when modeling, will lead to burn, albefaction the problems such as, influence the quality of product.In plastic cement products In production process, existing gas is mainly derived from two aspects in mold cavity: it is on the one hand injection mold itself is included, When raw material are not injected into mold cavity, since mold is under atmospheric environment, there will necessarily be air in mold cavity;Separately It on the one hand is raw material for plastic cement, the plastic cement of unlike material can all generate gas, be discharged into mold when being heated to molten condition Type is intracavitary.Currently, the prior art is usually to be exhausted by the way that thimble, gas vent etc. are arranged in injection mold, these exhausts Although structure can be vented, exhaust effect is very limited, and a small amount of gas can only be discharged, if directly increasing their size, It is then easy to appear flash phenomena, influences the quality of product.In addition, current exhaust apparatus is all that gas is directly discharged to air In, since the gas that plastic cement generates in the molten state contains many toxic, harmful gases, it is directly discharged in air, meeting Serious pollution atmosphere, can also make workshop full of plastics smell, generate great adverse effect, the body of worker to working environment Body health is also difficult to be protected.Therefore, the exhaust performance for how improving injection mold just becomes mold design field and needs to solve Problem certainly.
Utility model content
One purpose of the utility model is to provide a kind of injection mold with high exhaust performance, the exhaust system having The gas that plastic cement generates when the air accumulated in mold cavity and injection molding can be effectively discharged in system, greatly strengthens the row of injection mold Gas performance.
In order to realize these purposes and other advantages according to the present utility model, provide a kind of with high exhaust performance Injection mold, comprising:
Fixed half and moving half, the cover half and the dynamic model are oppositely arranged vertically, the side of the relatively described dynamic model of the cover half Equipped with type core, the side of the relatively described cover half of the dynamic model is equipped with cavity plate, and the type core and the cavity plate cooperatively form mould type Chamber;
Exhaust system comprising be horizontally set on multiple gas vents in the dynamic model, one end pair with each gas vent The exhaust passage of the venting plug, connection corresponding with each venting plug that should be connected to, with each exhaust passage it is corresponding be connected to point exhaust Pipe, the total air escape pipe being connected to after collecting with multiple branched discharge pipes, the vacuum pump being connect with total air escape pipe, wherein multiple gas vents Input end be respectively positioned on the contact surface of the mold cavity and the dynamic model, the outlet ends of multiple gas vents is far from the mould Tool type chamber, multiple gas vents be it is hollow cylindric, each venting plug is arranged by the cylinder that multiple axis are overlapped, more A cylinder is generally aligned in the same plane close to the end face of the mold cavity, and the equal length of multiple cylinders, between any adjacent cylinders Gap it is equal, the diameter of innermost layer cylinder is equal with the diameter of gas vent outlet end, in addition to outermost layer cylinder, remaining each circle The round hole of multiple perforations is provided on the surface of cylinder, close to remaining circle of one end of the mold cavity in addition to innermost layer cylinder The end part seal of cylinder, the outlet end of gas vent are connected to innermost layer cylinder close to the end face of the mold cavity, outermost layer cylinder End face far from the mold cavity is connected to exhaust passage close to the end face of the mold cavity, and exhaust passage is far from the mould The end face of tool type chamber extends to outside the dynamic model, and is connected to branched discharge pipe by crossover sub, the outlet of total air escape pipe and The air inlet of vacuum pump connects.
Preferably, the injection mold with high exhaust performance, further includes: purification system comprising with vacuum First spray absorber of the exhaust outlet connection of pump, the low-temperature plasma reactor and low temperature being connect with the first spray absorber Second spray absorber of plasma reactor connection, the active carbon filter and active carbon being connect with the second spray absorber The exhaust chimney of filter connection, wherein the first spray absorber and the second spray absorber include: absorption tower ontology, divide The air inlet and air outlet of absorption tower body bottom portion and top are not set, between the upper and lower every being fixed on the more of absorption tower body interior A horizontally disposed partition, the filler being filled between any adjacent separator are provided with the circular hole of multiple perforations on each partition, fill out The size of material is greater than the diameter of circular hole on partition, and on absorption tower, the top of ontology is equipped with water inlet pipe, and water inlet pipe passes through absorption tower sheet The center of top of body extends to the top of absorption tower ontology, and water inlet pipe, which is located at the intrinsic one end in absorption tower and is connected with, to be expanded outwardly Horn-like spray head, the exhaust outlet of vacuum pump is connected with the air inlet of the first spray absorber, the outlet of the first spray absorber Mouthful be connected with the air inlet of low-temperature plasma reactor, the gas outlet of low-temperature plasma reactor and the second spray absorber into Port is connected, and active carbon filter includes: shell, the air inlet and air outlet that shell opposite sides is arranged in, is horizontally set on The intracorporal multiple active carbon layers of shell, the spacing of any adjacent active charcoal interlayer is equal, the air inlet of active carbon filter and second The gas outlet of spray absorber is connected, and the gas outlet of active carbon filter is connected with exhaust chimney.
Preferably, the input end of multiple gas vents is provided with check valve.
Preferably, the diameter of multiple gas vents is less than 0.01mm.
Preferably, the quantity of gas vent is four, and the circumferential line of four gas vents is in rectangle.
Preferably, the gap between any adjacent cylinders is 0.5mm.
Preferably, the longitudinal cross-section of multiple exhaust passages is rectangle.
Preferably, the cover half is fixed on the fixed form of injection molding machine, and the dynamic model is fixed on the movement of injection molding machine In template.
The utility model is include at least the following beneficial effects:
(1) accumulation in mold cavity can be effectively discharged in the exhaust system that injection mold provided by the utility model has The gas that plastic cement generates when air and injection molding, greatly strengthens the exhaust performance of injection mold, ensure that the normal production of product, Prevent product occur mold filling be discontented with, burn, albefaction, current mark the problems such as, so that the quality of product is guaranteed.
(2) in injection mold provided by the utility model, exhaust system can quickly extract the gas in mold cavity out, make mould Tool type chamber is in negative pressure state, this is conducive to the injection of raw material, inject raw material can smoothly under lower injection pressure In mold cavity, This reduces both production costs, but can prevent product from occurring mold filling is discontented with, burns, albefaction, current mark etc. are asked Topic, further ensures the quality of product.
(3) in injection mold provided by the utility model, purification system can be toxic, harmful to what is be discharged in mold cavity Gas is purified, and the first spray absorber can be absorbed toxic, the pernicious gas for being dissolved in water, and low-temperature plasma reactor can be with The substance that carbon dioxide, water etc. are nontoxic, harmless is converted by organic gas not soluble in water, the second spray absorber absorbs these The substances such as carbon dioxide, water after conversion, active carbon filter can adsorb a small amount of unconverted toxic, pernicious gas, finally The gas of purification is discharged through exhaust chimney, greatly reduces toxic, the pollution that pernicious gas is to atmosphere being discharged in mold cavity, Reduce the plastics smell in workshop, hence it is evident that purified working environment.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cover half described in the utility model one of which technical solution, dynamic model and exhaust system;
Fig. 2 is the structural schematic diagram of purification system described in the utility model one of which technical solution;
Fig. 3 is the schematic perspective view of venting plug described in the utility model one of which technical solution.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation Book text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more The presence or addition of a other elements or combinations thereof.
As shown in Figures 1 to 3, the utility model provides a kind of injection mold with high exhaust performance, comprising:
Cover half 1 and dynamic model 2, the cover half 1 and the dynamic model 2 are oppositely arranged vertically, the relatively described dynamic model 2 of the cover half 1 Side be equipped with type core 3, the side of the relatively described cover half 1 of the dynamic model 2 is equipped with cavity plate 4, and the type core 3 and the cavity plate 4 are matched Conjunction forms mold cavity;
Exhaust system comprising be horizontally set on multiple gas vents 5 in the dynamic model 2, one end with each gas vent 5 The venting plug 6 of corresponding connection, connection corresponding with each venting plug 6 exhaust passage 7, be connected to each exhaust passage 7 correspondence Branched discharge pipe 8, the total air escape pipe 9 being connected to after collecting with multiple branched discharge pipes 8, the vacuum pump 10 being connect with total air escape pipe 9, In, the input end of multiple gas vents 5 is respectively positioned on the contact surface of the mold cavity and the dynamic model 2, and multiple gas vents 5 go out Mouthful end far from the mold cavity, multiple gas vents 5 be it is hollow cylindric, each venting plug 6 is by multiple axis weights The cylinder 11 of conjunction is arranged, and multiple cylinders 11 are generally aligned in the same plane close to the end face of the mold cavity, and multiple cylinders 11 Equal length, the gap between any adjacent cylinders 11 is equal, the diameter of innermost layer cylinder 11 and the diameter of 5 outlet end of gas vent It is equal, in addition to outermost layer cylinder 11, the round hole of multiple perforations is provided on the surface of remaining each cylinder 11, close to the mould The end part seal of remaining cylinder 11 of the one end of tool type chamber in addition to innermost layer cylinder 11, the outlet end of gas vent 5 and innermost circle Cylinder 11 is connected to close to the end face of the mold cavity, end face of the outermost layer cylinder 11 far from the mold cavity and exhaust passage 7 It is connected to close to the end face of the mold cavity, exhaust passage 7 extends to outside the dynamic model 2 far from the end face of the mold cavity Portion, and be connected to by crossover sub 12 with branched discharge pipe 8, the outlet of total air escape pipe 9 is connect with the air inlet of vacuum pump 10;In order to Prevent plastics from overflowing from gas vent 5, the diameter of gas vent 5 is very small, thus outlet area is also very small, by gas vent Venting plug 6 is connected to after 5, since venting plug 6 is arranged by multiple cylinders 11, the size of innermost layer cylinder 11 and gas vent 5 Size is identical, and the size of cylinder 11 is sequentially increased from inside to outside, can increase the outlet area of mold in this way, then logical by exhaust Gas in mold cavity can be drawn out to mold exterior by road 7, then pass through branched discharge pipe 8 for gas collection to total air escape pipe 9 In, in order to accelerate the rate of discharge of gas, total air escape pipe 9 is connected on vacuum pump 10, it can be under the action of vacuum pump 10 Gas in mold cavity is quickly extracted out, wherein the end face of the end surface shape and size of exhaust passage 7 and branched discharge pipe 8 is not Identical, one end of crossover sub 12 is for being adapted to connection exhaust passage 7, and the other end is for being adapted to connection branched discharge pipe 8, thus logical It crosses crossover sub 12 and is connected to exhaust passage 7 with branched discharge pipe 8.
In this technical solution, when using injection mold, first cover half 1 and dynamic model 2 is combined, form closure Then mold cavity starts vacuum pump 10 and is evacuated, after the air in mold cavity is taken out to the greatest extent, vacuum pump 10 is continued to run, The plastics for injecting melting into mold cavity simultaneously close vacuum pump 10 after plastic product cooling and solidifying, by cover half 1 and move Mould 2 separates, and takes out plastic product, completes entire use process, using this technical solution, venting plug 6 can increase outlet face Gas can be drawn out to mold exterior by product, exhaust passage 7, and branched discharge pipe 8 can be by gas collection into total air escape pipe 9, very Sky pump 10 can quickly extract gas out, improve the deflation rate of exhaust system, accelerate the production of plastic product.
In another technical solution, the injection mold with high exhaust performance, further includes: purification system, Including the first spray absorber 13 being connect with the exhaust outlet of vacuum pump 10, the low temperature being connect with the first spray absorber 13 etc. from Sub- reactor 14, the second spray absorber 15 connecting with low-temperature plasma reactor 14 are connect with the second spray absorber 15 Active carbon filter 16, the exhaust chimney 17 that is connect with active carbon filter 16, wherein the first spray absorber 13 and second Spray absorber 15 includes: absorption tower ontology 18,19 and of air inlet for being separately positioned on 18 bottom and top of absorption tower ontology Gas outlet 20, between the upper and lower every the multiple horizontally disposed partitions 21 being fixed on inside absorption tower ontology 18, be filled in it is any adjacent Filler 22 between partition 21, the circular hole of multiple perforations is provided on each partition 21, and the size of filler 22 is greater than circle on partition 21 The diameter in hole, on absorption tower, the top of ontology 18 is equipped with water inlet pipe 23, and water inlet pipe 23 passes through the center of top of absorption tower ontology 18 The top of absorption tower ontology 18 is extended to, one end that water inlet pipe 23 is located in absorption tower ontology 18 is connected with the loudspeaker expanded outwardly Shape spray head 24, the exhaust outlet of vacuum pump 10 are connected with the air inlet 19 of the first spray absorber 13, the first spray absorber 13 Gas outlet 20 is connected with the air inlet of low-temperature plasma reactor 14, the gas outlet of low-temperature plasma reactor 14 and the second spray The air inlet 19 on absorption tower 15 is connected, and active carbon filter 16 includes: shell 25, the air inlet that 25 opposite sides of shell is arranged in 26 and gas outlet 27, multiple active carbon layers 28 for being horizontally set in shell 25, the spacing phase between any adjacent active layer of charcoal 28 Deng the air inlet 26 of active carbon filter 16 is connected with the gas outlet 20 of the second spray absorber 15, active carbon filter 16 Gas outlet 27 is connected with exhaust chimney 17.Using this technical solution, spray head 24 can be to the first spray absorber 13 and second Spray water in spray absorber 15, the gas reaction that water flow enters on filler 22 with bottom, wherein the first spray absorber 13 It for absorbing the water-soluble gas extracted out in vacuum pump 10, while removing and having carried dust impurities in gas secretly, avoid these Impurity damages subsequent low-temperature plasma reactor 14, and the gas after the first spray absorber 13 is Partial cleansing enters low temperature etc. Ion reactor 14 converts the nothings such as carbon dioxide, water for organic gas not soluble in water under the action of low-temperature plasma Malicious, harmless substance, then be absorbed after the second spray absorber 15, what the last absorption of active carbon filter 16 did not converted completely Organic gas makes the gas of discharge not have any toxic, harmful substance, is adequately purified, finally by exhaust chimney 17 Discharge avoids toxic, pernicious gas pollution atmosphere, while reducing the plastics smell in plastic product workshop, purifies work Environment makes the health of worker be protected.
In another technical solution, the input end of multiple gas vents 5 is provided with check valve 29.The import of check valve 29 End is located at the dynamic model 2 on the contact surface of the mold cavity, and the outlet end of check valve 29 is far from the mold cavity, unidirectionally 29, the valve gases allowed in the mold cavity flow out, and extraneous gas cannot be allowed to flow into, to prevent gas backflow, guarantee Exhaust effect.
In another technical solution, the diameter of multiple gas vents 5 is less than 0.01mm.0.01mm is preferred value, works as exhaust It when the diameter in hole 5 is less than 0.01mm, can not only guarantee to obtain preferable exhaust effect, but also the plastics of melting will not be made from gas vent 5 overflow.
In another technical solution, the quantity of gas vent 5 is four, and the circumferential line of four gas vents 5 is in rectangle.Four A is preferred value, exhaust effect can be made to reach most preferably, while shortening the manufacturing time of mold, the circumferential direction of four gas vents 5 connects Line is to be preferable to provide mode in rectangle, and this mode is easy to process, shortens the manufacturing time of mold.
In another technical solution, the gap between any adjacent cylinders 11 is 0.5mm.0.5mm is preferred value, is being guaranteed While exhaust effect, material is saved, the manufacturing cost of mold is reduced.
In another technical solution, the longitudinal cross-section of multiple exhaust passages 7 is rectangle.The longitudinal direction of exhaust passage 7 is cut Face is the longitudinal cross-section perpendicular to exhaust passage 7, and the exhaust passage 7 of rectangle compares other shapes, has bigger free air space, It is more advantageous to the discharge of gas.
In another technical solution, the cover half 1 is fixed on the fixed form 30 of injection molding machine, and the dynamic model 2 is fixed On the moving die plate 31 of injection molding machine.In injection molding machine, cover half 1 and dynamic model 2 are usually separately fixed at fixed form 30 and movement In template 31, support can be fixed to cover half 1 and dynamic model 2, wherein multiple exhaust passages 7 both pass through the moving die plate 31 are connected to branched discharge pipe 8.
Number of devices and treatment scale described herein are the explanations for simplifying the utility model.To the utility model The application of injection mold with high exhaust performance, modifications and variations will be readily apparent to persons skilled in the art.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art, Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality It is not limited to specific details and legend shown and described herein with novel.

Claims (8)

1. the injection mold with high exhaust performance characterized by comprising
Fixed half and moving half, the cover half and the dynamic model are oppositely arranged vertically, and the side of the relatively described dynamic model of the cover half is equipped with The side of type core, the relatively described cover half of the dynamic model is equipped with cavity plate, and the type core and the cavity plate cooperatively form mold cavity;
Exhaust system comprising be horizontally set on multiple gas vents in the dynamic model, corresponding with one end of each gas vent connect The exhaust passage of logical venting plug, connection corresponding with each venting plug, with the corresponding branched discharge pipe being connected to of each exhaust passage, with Total air escape pipe that multiple branched discharge pipes are connected to after collecting, the vacuum pump being connect with total air escape pipe, wherein the import of multiple gas vents End is respectively positioned on the contact surface of the mold cavity and the dynamic model, and the outlet end of multiple gas vents is far from the mould type Chamber, multiple gas vents be it is hollow cylindric, each venting plug is arranged by the cylinder that multiple axis are overlapped, Duo Geyuan Cylinder is generally aligned in the same plane close to the end face of the mold cavity, and the equal length of multiple cylinders, between any adjacent cylinders between Gap is equal, and the diameter of innermost layer cylinder is equal with the diameter of gas vent outlet end, in addition to outermost layer cylinder, remaining each cylinder The round hole of multiple perforations is provided on surface, close to remaining cylinder of the one end of the mold cavity in addition to innermost layer cylinder The outlet end of end part seal, gas vent is connected to innermost layer cylinder close to the end face of the mold cavity, and outermost layer cylinder is separate The end face of the mold cavity is connected to exhaust passage close to the end face of the mold cavity, and exhaust passage is far from the mould type The end face of chamber extends to outside the dynamic model, and is connected to by crossover sub with branched discharge pipe, the outlet and vacuum of total air escape pipe The air inlet of pump connects.
2. as described in claim 1 with the injection mold of high exhaust performance, which is characterized in that further include: purification system, The first spray absorber being connect including the exhaust outlet with vacuum pump, the low-temperature plasma reaction being connect with the first spray absorber Device, the second spray absorber being connect with low-temperature plasma reactor, the active carbon filter being connect with the second spray absorber, The exhaust chimney being connect with active carbon filter, wherein the first spray absorber and the second spray absorber include: absorption tower Ontology, the air inlet and air outlet for being separately positioned on absorption tower body bottom portion and top, between the upper and lower every being fixed on absorption tower ontology Internal multiple horizontally disposed partitions, the filler being filled between any adjacent separator are provided with multiple perforations on each partition Circular hole, the size of filler is greater than the diameter of circular hole on partition, and on absorption tower, the top of ontology is equipped with water inlet pipe, and water inlet pipe passes through The center of top of absorption tower ontology extends to the top of absorption tower ontology, and water inlet pipe is located at the intrinsic one end in absorption tower and is connected with The horn-like spray head expanded outwardly, the exhaust outlet of vacuum pump are connected with the air inlet of the first spray absorber, the first spray-absorption The gas outlet of tower is connected with the air inlet of low-temperature plasma reactor, and the gas outlet of low-temperature plasma reactor is inhaled with the second spray The air inlet for receiving tower is connected, and active carbon filter includes: shell, the air inlet and air outlet that shell opposite sides is arranged in, water Flat to be arranged in the intracorporal multiple active carbon layers of shell, the spacing of any adjacent active charcoal interlayer is equal, the air inlet of active carbon filter Mouth is connected with the gas outlet of the second spray absorber, and the gas outlet of active carbon filter is connected with exhaust chimney.
3. as described in claim 1 with the injection mold of high exhaust performance, which is characterized in that the input end of multiple gas vents It is provided with check valve.
4. as described in claim 1 with the injection mold of high exhaust performance, which is characterized in that the diameter of multiple gas vents is small In 0.01mm.
5. as described in claim 1 with the injection mold of high exhaust performance, which is characterized in that the quantity of gas vent is four A, the circumferential line of four gas vents is in rectangle.
6. as described in claim 1 with the injection mold of high exhaust performance, which is characterized in that between any adjacent cylinders Gap is 0.5mm.
7. as described in claim 1 with the injection mold of high exhaust performance, which is characterized in that the longitudinal direction of multiple exhaust passages Section is rectangle.
8. as described in claim 1 with the injection mold of high exhaust performance, which is characterized in that the cover half is fixed on injection molding On the fixed form of machine, the dynamic model is fixed on the moving die plate of injection molding machine.
CN201820311305.8U 2018-03-07 2018-03-07 Injection mold with high exhaust performance Expired - Fee Related CN208305700U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820311305.8U CN208305700U (en) 2018-03-07 2018-03-07 Injection mold with high exhaust performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820311305.8U CN208305700U (en) 2018-03-07 2018-03-07 Injection mold with high exhaust performance

Publications (1)

Publication Number Publication Date
CN208305700U true CN208305700U (en) 2019-01-01

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Application Number Title Priority Date Filing Date
CN201820311305.8U Expired - Fee Related CN208305700U (en) 2018-03-07 2018-03-07 Injection mold with high exhaust performance

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110126217A (en) * 2019-05-30 2019-08-16 开平市盈光机电科技有限公司 A kind of exhaust apparatus of mold
CN115383077A (en) * 2022-09-06 2022-11-25 扬州浩海模具有限公司 Composite exhaust plate structure for high-vacuum casting mold

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110126217A (en) * 2019-05-30 2019-08-16 开平市盈光机电科技有限公司 A kind of exhaust apparatus of mold
CN115383077A (en) * 2022-09-06 2022-11-25 扬州浩海模具有限公司 Composite exhaust plate structure for high-vacuum casting mold
CN115383077B (en) * 2022-09-06 2023-11-10 扬州浩海模具有限公司 Composite exhaust plate structure for high-vacuum casting mold

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